Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10443765 | Threaded joint for pipes | Takuya Nagahama, Hiroshi Chikatsune, Kazunari Takahashi, Masaki Yoshikawa, Jun Takano +1 more | 2019-10-15 |
| 10295091 | Threaded joint for tube | Masaki Yoshikawa, Hiroshi Chikatsune, Kazunari Takahashi, Takuya Nagahama, Jun Takano +1 more | 2019-05-21 |
| 10202809 | Threaded joint for steel pipes | Takuya Nagahama, Osamu Sonobe, Masaki Yoshikawa, Jun Takano | 2019-02-12 |